Patent US3226607A successfully refreshed from Google Patents.
US3226607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical capacitor
Assignee: International Standard Electric Corp
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Filing: 1960-05-26
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Granted: 1965-12-28
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Expires: 1980-05-26
Abstract
No abstract record available.
Inventors
- 👤 Lauckner Hans Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:05
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN ELECTRICAL CAPACITOR COMPRISING AN ELECTRODE OF A VALVE METAL, AN ANODIC DIAELECTRIC OXIDE FILM ON THE SURFACE OF SAID ELECTRODE, SAID OXIDE FILM COMPRISING OXIDE OF A FIRST VALVE METAL AND OXIDE OF A SECOND VALVE METAL, A SECOND ELECTRODE DISPOSED OVER THE EXPOSED SURFACE OF THE DIELECTRIC FILM AND BEING SEPARATED FROM THE FIRST ELECTRODE THEREBY, SAID OXIDE OF THE FIRST VALVE METAL INCLUDING METAL OXIDE IONS OF A P-TYPE CONDUCTIVITY HAVING THE METAL COMPONENT THEREIN AT A FIRST VALENCE, AND SAID OXIDE OF THE SECOND VALVE METAL INCLUDING METAL OXIDE IONS OF P-TYPE CONDUCTIVITY HAVING THE METAL COMPONENT THEREIN AT A SECOND VALENCE HIGHER THAN THE VALANCE OF THE METAL COMPONENT IN THE FIRST VALVE METAL OXIDE IONS WHEREBY THE RESISTIVITY OF THE DIELECTRIC OXIDE FILM IS GREATER THAN THE RESISTIVITY OF A FILM OF A SINGLE ONE OF SAID OXIDES.
Claim 2
Dependent Claim
144 words
AN ELECTRICAL CAPACITOR COMPRISING AN ELECTRODE OF A VALVE METAL, AN ANODIC DIAELECTRIC OXIDE FILM ON THE SURFACE OF SAID ELECTRODE, SAID OXIDE FILM COMPRISING OXIDE OF A FIRST VALVE METAL AND OXIDE OF A SECOND VALVE METAL, A SECOND ELECTRODE DISPOSED OVER THE EXPOSED SURFACE OF THE DIELECTRIC FILM AND BEING SEPARATED FROM THE FIRST ELECTRODE THEREBY, SAID OXIDE OF THE FIRST VALVE METAL INCLUDING METAL OXIDE IONS OF A P-TYPE CONDUCTIVITY HAVING THE METAL COMPONENT THEREIN AT A FIRST VALENCE, AND SAID OXIDE OF THE SECOND VALVE METAL INCLUDING METAL OXIDE IONS OF P-TYPE CONDUCTIVITY HAVING THE METAL COMPONENT THEREIN AT A SECOND VALENCE HIGHER THAN THE VALANCE OF THE METAL COMPONENT IN THE FIRST VALVE METAL OXIDE IONS WHEREBY THE RESISTIVITY OF THE DIELECTRIC OXIDE FILM IS GREATER THAN THE RESISTIVITY OF A FILM OF A SINGLE ONE OF SAID OXIDES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |